http://hl7.org/fhir/search-xpath-usage|4.0.1

{
  "description" : "How a search parameter relates to the set of elements returned by evaluating its xpath query.",
  "compose" : null,
  "package" : "hl7.fhir.r4.examples@4.0.1",
  "date" : "2019-10-31T22:29:23Z",
  "meta" : {
    "lastUpdated" : "2019-11-01T09:29:23.356+11:00"
  },
  "publisher" : "HL7 (FHIR Project)",
  "content" : "complete",
  "name" : "XPathUsageType",
  "experimental" : false,
  "resourceType" : "CodeSystem",
  "title" : "XPathUsageType",
  "supliment" : null,
  "extension" : [ {
    "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-wg",
    "valueCode" : "fhir"
  }, {
    "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status",
    "valueCode" : "trial-use"
  }, {
    "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm",
    "valueInteger" : 3
  } ],
  "status" : "draft",
  "id" : "77381910-66ee-562b-9b0d-8227e0cf0d6e",
  "valueSet" : "http://hl7.org/fhir/ValueSet/search-xpath-usage",
  "url" : "http://hl7.org/fhir/search-xpath-usage",
  "identifier" : [ {
    "value" : "urn:oid:2.16.840.1.113883.4.642.4.636",
    "system" : "urn:ietf:rfc:3986"
  } ],
  "concept" : [ {
    "code" : "normal",
    "display" : "Normal",
    "definition" : "The search parameter is derived directly from the selected nodes based on the type definitions."
  }, {
    "code" : "phonetic",
    "display" : "Phonetic",
    "definition" : "The search parameter is derived by a phonetic transform from the selected nodes."
  }, {
    "code" : "nearby",
    "display" : "Nearby",
    "definition" : "The search parameter is based on a spatial transform of the selected nodes."
  }, {
    "code" : "distance",
    "display" : "Distance",
    "definition" : "The search parameter is based on a spatial transform of the selected nodes, using physical distance from the middle."
  }, {
    "code" : "other",
    "display" : "Other",
    "definition" : "The interpretation of the xpath statement is unknown (and can't be automated)."
  } ],
  "caseSensitive" : true,
  "version" : "4.0.1",
  "contact" : [ {
    "telecom" : [ {
      "value" : "http://hl7.org/fhir",
      "system" : "url"
    }, {
      "value" : "fhir@lists.hl7.org",
      "system" : "email"
    } ]
  } ]
}